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/* PR debug/49580 */

/* { dg-do compile } */

/* { dg-options "-O2 -ftree-parallelize-loops=4 -fdump-tree-parloops-details" } */

#include <stdarg.h>

#include <stdlib.h>

#define N 1600

unsigned int ub[N];

unsigned char reg_has_output_reload[N];

unsigned int uc[N];

 __attribute__ ((noinline))

 void main2 (unsigned int regno, unsigned int n_reloads)

 {

  unsigned int nr=0;

  if (regno> ub[regno])

    nr=regno;

  else

    nr=ub[nr];

  while (nr-- > 0)

    if (n_reloads == 0 || reg_has_output_reload[regno + nr] == 0)

      ub[regno + nr] = 0;

}

int main (void)

{

  main2 (799, 0);

  return 0;

}

/* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 1 "parloops" } } */

/* { dg-final { cleanup-tree-dump "parloops" } } */